Vision-Language AI Researcher (Post-Training & Alignment)

OriGen Tech Pte. Ltd.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

Tencent Technology Committee seeks a senior researcher to lead end-to-end post-training R&D for Vision-Language Models, focusing on RLHF, reward modeling and memory-based improvements. You will push the performance ceiling of large multimodal systems and drive practical solutions for real-world perception and interaction tasks.

Bring deep expertise in Transformers, Python, PyTorch and TensorFlow, with a strong publication record or significant OSS contributions.

Qualifications

• Master's degree in CS or related field with strong research background.
• Deep understanding of Transformer architecture and LLM training principles.
• Hands-on experience in post-training domains including RLHF, Reward Modeling, Memory/RAG.

Responsibilities

• Lead full-stack algorithm R&D for post-training of Vision-Language Models (VLMs).
• Advance Visual Foundation Perception and spatial understanding; explore Visual Agent solutions.
• Improve reliability of multimodal models; develop hallucination detection and removal pipelines.
• Optimize user interaction scenarios with multi-turn image-text data and feedback loops.

Skills

Transformer architecture

LLM training principles

RLHF

Python

PyTorch

TensorFlow

Distributed training

Megatron-LM

DeepSpeed

vLLM

Research publications

Education

Master's degree in CS or related field

Tools

NLP frameworks

Job description

Tencent Technology Committee seeks a senior researcher to lead end-to-end post-training R&D for Vision-Language Models, focusing on RLHF, reward modeling and memory-based improvements. You will push the performance ceiling of large multimodal systems and drive practical solutions for real-world perception and interaction tasks.

Bring deep expertise in Transformers, Python, PyTorch and TensorFlow, with a strong publication record or significant OSS contributions.